7988448897 has 48 divisors (see below), whose sum is σ = 13886885376. Its totient is φ = 4360032000.

The previous prime is 7988448893. The next prime is 7988448947.

7988448897 is a `hidden beast` number, since 7 + 98 + 8 + 448 + 8 + 97 = 666.

7988448897 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 7988448897 - 2² = 7988448893 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7988448893) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22929 + ... + 128462.

It is an arithmetic number, because the mean of its divisors is an integer number (289310112).

Almost surely, 2^7988448897 is an apocalyptic number.

It is an amenable number.

7988448897 is a deficient number, since it is larger than the sum of its proper divisors (5898436479).

7988448897 is a wasteful number, since it uses less digits than its factorization.

7988448897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151462 (or 151459 counting only the distinct ones).

The product of its digits is 260112384, while the sum is 72.

The square root of 7988448897 is about 89378.1231454320. The cubic root of 7988448897 is about 1999.0369444197.

The spelling of 7988448897 in words is "seven billion, nine hundred eighty-eight million, four hundred forty-eight thousand, eight hundred ninety-seven".